Gold-film.



E. n. TILLYER a. F. M. lsHoP.

'GOLD HLM.

APPLICATIONr FILED MAY 5. 1917.

'3,287,793.. Patented B60111918.

/m/E/vof? EDGAR D. TILLYEE F/EED M. BISHOP A TR/VEYS srans PATENT OFFICE.

EDGAR D. TILLYER AND FRED MVBISHOP, OF SOUTHBRIDGE, MASSACHUSETTS, ASSIGN- ORS TO AMERICAN OPTICAL COMPANY, F SOUTHBRIDGE, MASSACHUSETTS, A VOLUNTARY ASSOCIATION 0F MASSACHUSETTS.

GOLD-FILM.

To all lwhom t may concern Be it known that we, EDGAR D. TILLYER and FRED 1I. BISHOP, citizens of the United States, residing at Southbridge, in the county of Worcester and State of Massachusetts, have invented certain new and useful Improvements in Gold-Films, of which the following is a specification.

This invention relates to improvements in gold lms and'in the process of formation and handling of said lms.

One of the leading objects of the present invention is the provision of a novel and improved process of inexpensive construction of thin gold film such as is generally known as gold leaf.

A further object of the present invention is the provision of an improved gold film or leaf which shall be much more firm in texture and durable'in structure than the present rolled or beaten films.

Another object of the present invention is the provision of an improved process of constructing a gold fllm or leaf which will facilitate the handling of said film and lessening the liability of crumpling or'tearing of the said gold lead during the handling and using thereof.

Other objects and advantages of our process and the method of producing the same should be readily apparent by reference to rthe following 'specification taken in connection with the accompanying drawings, and it will be understood that We may make `any modifications in the specific details of Fig. IV represents a view ofthe detach.

ment of the gold leaf and protecting member from their original base. y

Fig. V represents diagrannnatically' one way which canbe employed to remove the Specification of Letters Patent. Patented Dec, 17, 1918. Application sied May 5111917. sensu No. 166,650. Y

y protecting or carrying film `from the gold leaf proper.

Fig. VI represents an enlarged yperspective view of the final leaf.

In the drawings, the numeral l denotesgold bar Q, this cathodic deposition produc-v in on the smooth surface of the block l a go d film 3 of any desired thickness or thinness, but substantially uniform in thickness and-of very fine texture, not having the usual holes, thin weak portionsl and the like present in ordinary beaten gold leaf.

The lm of desired thickness and size having thus been formed on the base 1, we preferably apply to saidvfilm a supplemental film of lacquer, liquid celluloid or 4the like 4, and allow it to securely unite and harden to the gold film. After this hardening process it is possible to peel off the gold film 3 with the lacquer or carrying film 4, as is illustrated in connection with Fig. IV. In this connection it is, of course, to be understood that if preferred we may form the gold film 3 directly onthe celluloid or other 4member' 4 `as a base in place of employing Vthe base block 1, although in practice we believe it more desirable for most perfect results to employ the base block 1, though a very satisfactory commercial. product can be formed by forming the gold film direct onto the celluloid or other base.

The parts being now inthe form of the combined gold and lacquer lilm may be readily employed as desired, cut to suitable size, satisfactorily handled without danger of breaking or injuring the gold ilm or danger of crumplin up of the lm, and may be applied to any' esired article.

In Fig. V we have shown the old film 3 as secured to a suitable piece o glass as by the adhesive 5, as in the case of sign lettering `or the like. After the combined film has thus been affixed to the member 6 on which it is to remain, we may then, as by a brush or other suitable instrument? previously dipped in acetone or other suitable y,

fsolvent for the lacquer or film 4,' dissolve awa or remove the film 4, leaving only the original gold film or gold leaf 3 in place.

It will, of course, be understood that the lacquer may be removed at any time after the initial removing of the combined gold leaf and carrying film from the base l on which it Was formed, but We preferably delay this removal as long as possible so that the film may have the support ofthe supplemental lacquer or film during its several handling operations.

Fig. VI has illustrated in perspective the completed gold leaf as formed by our process, in which the film 4 was removed to leave only the leaf and before a plication of the leaf itself to anyvother article.

We claim:

The process of applying a metallic film to van article, consisting in forming a thin film on a suitable base, ber with the film, the base, with which it is to be united, and subsequently removing the carrying member therefrom.

4 Intestimony whereof We aix our signal tures in the presence of two Witnesses.

EDGAR D TILLYER. FRED M. BISHOP.

uniting a carrying mem- Witnesses E. M. HALvoRsEN,

E. M. LAFLER.

removing the parts from I' securing the lm to the member 

